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| 1 | Clinical outcomes of ampullary neoplasms in resected margin positive or uncertain cases after endoscopic papillectomy显示文摘BACKGROUND Endoscopic papillectomy(EP) for benign ampullary neoplasms could be a lessinvasive alternative to pancreatoduodenectomy(PD). There are some problems and limitations with EP. The post-EP resection margins of ampullary tumors are often positive or uncertain because of the burning effect of EP. The clinical outcomes of resected margin positive or uncertain cases after EP remain unknown.AIM To investigate the clinical outcomes of resected margin positive or uncertain cases after EP.METHODS Between January 2007 and October 2018, all patients with ampullary tumors who underwent EP at Kobe University Hospital were included in this study. The indications for EP were as follows: adenoma, as determined by preoperative endoscopic biopsy, without bile/pancreatic duct extension, according to endoscopic ultrasound or intraductal ultrasound. The clinical outcomes of resected margin positive or uncertain cases after EP were retrospectively investigated.RESULTS Of the 45 patients, 29 were male, and 16 were female. The mean age of the patients was 65 years old. Forty-one patients(89.5%) underwent en bloc resection,and 4 patients(10.5%) underwent piecemeal resection. After EP, 33 tumors were histopathologically diagnosed as adenoma, and 12 were diagnosed as adenocarcinoma. The resected margins were positive or uncertain in 24 patients(53.3%). Of these cases, 15 and 9 were diagnosed as adenoma and adenocarcinoma, respectively. Follow-up observation was selected for all adenomas and 5 adenocarcinomas. In the remaining 4 adenocarcinoma cases,additional PD was performed. Additional PD was performed in 4 cases, and residual carcinoma was found after the additional PD in 1 of these cases. In the follow-up period, local tumor recurrence was detected in 3 cases. Two of these cases involved primary EP-diagnosed adenoma. The recurrent tumors were also adenomas detected by biopsy. The remaining case involved primary EPdiagnosed adenocarcinoma. The recurrent tumor was also an adenocarcinoma.All of the recurrent tumors were successfully treated with argon plasma coagulation(APC). There was no local or lymph node recurrence after the APC.The post-APC follow-up periods lasted for 57.1 to 133.8 mo. No ampullary tumor-related deaths occurred in all patients.CONCLUSION Resected margin positive or uncertain cases after EP could be managed by endoscopic treatment including APC, even in cases of adenocarcinoma. EP could become an effective less-invasive first-line treatment for early stage ampullary tumors. | Arata Sakai Masahiro Tsujimae Atsuhiro Masuda Takao Iemoto Shigeto Ashina Kohei Yamakawa Takeshi Tanaka Shunta Tanaka Yasutaka Yamada Ryota Nakano Yu Sato Manabu Kurosawa Takuya Ikegawa Seiji Fujigaki Takashi Kobayashi Hideyuki Shiomi Yoshifumi Arisaka Tomoo Itoh Yuzo Kodama | 2019 | World Journal of Gastroenterology2019,25,11: | 9 |
| 2 | Two-week treatment with proton pump inhibitor is sufficient for healing post endoscopic submucosal dissection ulcers显示文摘AIM:To investigate the optimum period of treatment for post endoscopic submucosal dissection(ESD)ulcers.METHODS:Patients who underwent ESD for gastric cancer were randomized to two groups and treated with esomeprazole 20 mg per day for 4 wk(4W group)or 2 wk(2W group).At 4 wk after ESD,we measured the size of the artificial ulcers by endoscopy and determined the ulcer healing rate,compared with the size of the ESD specimens.This randomized controlled trial study was approved by our ethics committee and registered in the UMIN Clinical Trial Registry.RESULTS:A total of 60 consecutive patients were included in the study.All patients received rebamipide 300 mg per day for 4 wk.One patient in 2W group who showed bleeding within two weeks and received endoscopic treatment was excluded from further analysis.The numbers of patients with ulcers in the healing/scar stage in the 2W and 4W groups at 4 wk after ESD were 20/6 and 28/5,respectively,with no significant difference.The ulcer healing rate in the 2W and 4W groups were 96.1%[95%confidence interval(CI):94.6%-97.55]vs 94.8%(95%CI:92.6%-97.1%),respectively,with no statistical difference(UMIN000006951).CONCLUSION:Two-wk treatment with a proton pump inhibitor is as effective as four-week treatment for healing post ESD ulcers. | Makoto Arai Tomoaki Matsumura Kenichiro Okimoto Arata Oyamada Keiko Saito Shoko Minemura Daisuke Maruoka Takeshi Tanaka Tomoo Nakagawa Tatsuro Katsuno Osamu Yokosuka | 2014 | World Journal of Gastroenterology2014,20,43: | 6 |
| 3 | Serum autotaxin levels are correlated with hepatic fibrosis and ballooning in patients with non-alcoholic fatty liver disease显示文摘AIM To examine the relationship between serum autotaxin(ATX) concentrations and clinicopathological findings in non-alcoholic fatty liver disease(NAFLD) patients.METHODS One hundred eighty-six NAFLD patients who had undergone liver biopsy between 2008 and 2017 were retrospectively enrolled.Serum samples were collected at the time of biopsy and ATX was measured by enzyme immunoassays.Sera obtained from 160 healthy,nonobese individuals were used as controls.Histological findings were graded according to an NAFLD scoring system and correlations with serum ATX were calculated by Spearman's test.Diagnostic accuracy was evaluated using the area under the receiver operating characteristic curve(AUC).Cut-off values were identified by the Youden index,and the nearest clinically applicable value to the cutoff was considered the optimal threshold for clinical convenience.RESULTS Serum ATX levels were significantly higher in NAFLD patients than in controls(0.86 mg/L vs 0.76 mg/L,P < 0.001) and correlated significantly with ballooning score and fibrosis stage(r = 0.36,P < 0.001 and r = 0.45,P < 0.001,respectively).Such tendencies were stronger in female patients.There were no remarkable relationships between ATX and serum alanine aminotransferase,lipid profiles,or steatosis scores.The AUC values of ATX for predicting the presence of fibrosis(≥ F1),significant fibrosis(≥ F2),severe fibrosis(≥ F3),and cirrhosis(F4),were all more than 0.70 in respective analyses.CONCLUSION Serum ATX levels may at least partially reflect histological severity in NAFLD. | Naoyuki Fujimori Takeji Umemura Takefumi Kimura Naoki Tanaka Ayumi Sugiura Tomoo Yamazaki Satoru Joshita Michiharu Komatsu Yoko Usami Kenji Sano Koji Igarashi Akihiro Matsumoto Eiji Tanaka | 2018 | World Journal of Gastroenterology2018,24,11: | 6 |
| 4 | Mild drinking habit is a risk factor for hepatocarcinogenesis in non-alcoholic fatty liver disease with advanced fibrosis显示文摘AIM The impact of mild drinking habit(less than 20 g/d of ethanol) on the clinical course of non-alcoholic fatty liver disease(NAFLD) has not been determined. We examined the influence of a mild drinking habit on liver carcinogenesis from NAFLD. METHODS A total of 301 patients who had been diagnosed as having NAFLD by liver biopsy between 2003 and 2016 [median age: 56 years, 45% male, 56% with nonalcoholic steatohepatitis, 26% with advanced fibrosis(F3-4)] were divided into the mild drinking group withe thanol consumption of less than 20 g/d(mild drinking group, n = 93) and the non-drinking group(n = 208). Clinicopathological features at the time of liver biopsy and factors related to hepatocellular carcinoma(HCC) occurrence were compared between the groups.RESULTS We observed significant differences in male prevalence(P = 0.01), platelet count(P = 0.04), and gammaglutamyl transpeptidase(P = 0.02) between the test groups. Over 6 years of observation, the HCC appearance rate was significantly higher in the mild drinking group(6.5% vs 1.4%, P = 0.02). Multivariate survival analysis using Cox's regression model revealed that hepatic advanced fibrosis(F3-4)(P < 0.01, risk ratio: 11.60), diabetes mellitus(P < 0.01, risk ratio: 89.50), and serum triglyceride(P = 0.04, risk ratio: 0.98) were factors significantly related to HCC in all NAFLD patients, while the effect of a drinking habit was marginal(P = 0.07, risk ratio: 4.43). In patients with advanced fibrosis(F3-4), however, a drinking habit(P = 0.04, risk ratio: 4.83), alpha-fetoprotein(P = 0.01, risk ratio: 1.23), and diabetes mellitus(P = 0.03, risk ratio: 12.00) were identified as significant contributors to HCC occurrence. CONCLUSION A mild drinking habit appears to be a risk factor for hepatocarcinogenesis in NAFLD patients, especially those with advanced fibrosis. | Takefumi Kimura Naoki Tanaka Naoyuki Fujimori Ayumi Sugiura Tomoo Yamazaki Satoru Joshita Michiharu Komatsu Takeji Umemura Akihiro Matsumoto Eiji Tanaka | 2018 | World Journal of Gastroenterology2018,24,13: | 6 |
| 5 | Association between endotoxemia and histological features of nonalcoholic fatty liver disease显示文摘AIM To assess whether surrogate biomarkers of endotoxemia were correlated with the histological features ofnonalcoholic fatty liver disease(NAFLD).METHODS One hundred twenty-six NAFLD patients who had undergone percutaneous liver biopsy were enrolled. Serum lipopolysaccharide(LPS)-binding protein(LBP) and anti-endotoxin core immunoglobulin G(Endo Cab Ig G) antibody concentrations at the time of liver biopsy were measured using the enzyme-linked immunosorbent assays to examine for relationships between biomarker levels and histological scores. RESULTS Serum LBP concentration was significantly increased in nonalcoholic steatohepatitis(NASH) patients as compared with nonalcoholic fatty liver(NAFL) subjects and was correlated with steatosis(r = 0.38, P < 0.0001) and ballooning scores(r = 0.23, P = 0.01), but not with the severity of lobular inflammation or fibrosis. Multivariate linear regression analysis revealed that LBP was associated with steatosis score and circulating C-reactive protein, aspartate aminotransferase, and fibrinogen levels. Serum Endo Cab Ig G concentration was comparable between NASH and NAFL patients. No meaningful correlations were detected between Endo Cab Ig G and histological findings. CONCLUSION LBP/Endo Cab Ig G were not correlated with lobular inflammation or fibrosis. More accurate LPS biomarkers are required to stringently assess the contribution of endotoxemia to conventional NASH. | Hiroyuki Kitabatake Naoki Tanaka Naoyuki Fujimori Michiharu Komatsu Ayaka Okubo Kyogo Kakegawa Takefumi Kimura Ayumi Sugiura Tomoo Yamazaki Soichiro Shibata Yuki Ichikawa Satoru Joshita Takeji Umemura Akihiro Matsumoto Masayoshi Koinuma Kenji Sano Toshifumi Aoyama Eiji Tanaka | 2017 | World Journal of Gastroenterology2017,23,4: | 5 |
| 6 | Enhancement of leaf photosynthetic capacity through increased stomatal density in Arabidopsis显示文摘 | Yu Tanaka Shigeo S. Sugano Tomoo Shimada Ikuko Hara‐Nishimura | 2013 | New Phytol2013,,3: | 1 |
| 7 | Reliability of Automatic Vibratory Equipment for Ultrasonic Strain Measurement of the Median Nerve显示文摘 | Yuichi Yoshii Tomoo Ishii Fumihiko Etou Shinsuke Sakai Toshikazu Tanaka Naoyuki Ochiai | 2014 | Ultrasound in Medicine & Biology2014,,: | 1 |
| 8 | Detecting Median Nerve Strain Changes with Cyclic Compression Apparatus: A Comparison of Carpal Tunnel Syndrome Patients and Healthy Controls显示文摘 | Yuichi Yoshii Tomoo Ishii Toshikazu Tanaka Wen-lin Tung Shinsuke Sakai | 2014 | Ultrasound in Medicine & Biology2014,,: | 1 |
| 9 | Recurrence of mucosal carcinoma of the bile duct, with superficial flat spread, 12 years after operation显示文摘 | Yoshitsugu Nakanishi Satoshi Kondo Satoshi Hirano Yoshiyasu Ambo Eiichi Tanaka Toshiaki Morikawa Tomoo Itoh | 2006 | Journal of Hepato - Biliary - Pancreatic Surgery2006,,4: | 1 |
| 10 | Study on composition and particle characteristics of shredded municipal waste for the improvement of separation efficiency in a municipal bulky waste processing facility显示文摘 | Tomoo Sekito Nobutoshi Tanaka Toshihiko Matsuto | | Waste Management &0,,: | 1 |
| 11 | Esophageal squamous cell carcinoma with lymphoid stroma: Report of 3 cases with immunohistochemical analyses显示文摘 | Osamu Chino Hiroshi Kijima Hideo Shimada Kyoichi Mizutani Takayuki Nishi Hikaru Tanaka Makiko Tanaka Akihiko Serizawa Tomoo Tajima Hiroyasu Makuuchi | 2001 | Gastrointestinal Endoscopy2001,,4: | 1 |
| 12 | Expression level of sonic hedgehog correlated with the speed of gastric mucosa regeneration in artificial gastric ulcers显示文摘 | Takeshi Tanaka Makoto Arai Shoko Minemura Arata Oyamada Keiko Saito Xia Jiang Masaru Tsuboi Sayuri Sazuka Daisuke Maruoka Tomoaki Matsumura Tomoo Nakagawa Shigeru Sugaya Tatsuo Kanda Tatsuro Katsuno Kazuko Kita Takashi Kishimoto Fumio Imazeki Atsushi Kane | 2014 | J Gastroenterol Hepatol2014,,4: | 1 |
| 13 | New Method for Production of As-hot-rolled Dual Phase Sheet Steel显示文摘 | Jun-ichi Mano Minoru Nishida Tomoo Tanaka | 1982 | Tetsu-to-Hagane1982,,68: | 1 |